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covered wagon
USA
Senior Member
Joined: 05/01/2004
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Sorry for my rash statement, but your supposed to have plywood over the foam insulation.
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Lynnmor
Red Lion
Senior Member
Joined: 07/16/2011
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Good Sam RV Club Member
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covered wagon wrote:Sorry for my rash statement, but your supposed to have plywood over the foam insulation.
How thick do you think it is? Maybe 3/16 of an inch?
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covered wagon
USA
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Joined: 05/01/2004
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Lynnmor wrote:covered wagon wrote:Sorry for my rash statement, but your supposed to have plywood over the foam insulation.
How thick do you think it is? Maybe 3/16 of an inch?
Plywood thickness depends on what joist spacing you have. Buying plywood versus OSB is such a negligible cost increase when considering the much lower quality and problems associated with OSB.
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GDS-3950BH
DC
Senior Member
Joined: 12/08/2019
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covered wagon wrote:Lynnmor wrote:covered wagon wrote:Sorry for my rash statement, but your supposed to have plywood over the foam insulation.
How thick do you think it is? Maybe 3/16 of an inch?
Plywood thickness depends on what joist spacing you have. Buying plywood versus OSB is such a negligible cost increase when considering the much lower quality and problems associated with OSB.
Tell that to Thor and Forest River, as laminated floors used in RVs may have what they consider joists as far apart as 4-5 feet, the same as in laminated walls. I've drilled through 5 or 6 over the years and all had 3/16" luan on top and 1/8" luan on the bottom of the lamination.
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Duane4238
North Tonawanda, New York
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Joined: 07/28/2013
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This whole foam core thing is interesting and new to me. I have a 2011
springdale 311RE that I bought from a local dealer. It was originally owned by one of the service dept employees and taken well care of or so I thought. Didn't notice until they delivered the unit, but the floor in front of the stove and sink is lower than the surrounding floor. It also seems much softer. I guess when I finally decide to replace the vinyl flooring, which is only in the kitchen area, I'll put in marine or pressure treated plywood under the new vinyl. I can live with it, though, as I'm the only one who uses the trailer which is at my hunting camp.
Duane
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